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Analyzes of mealybug (Pseudococcus longispinus) virome reveal grapevine viruses diversity. Authorship: FAJARDO, T. V. M.; GRYNBERG, P.; TOGAWA, R. C.; SILVA, J. M. F.; SILVA, F. N. da; NICKEL, O. The long-tailed mealybug, Pseudococcus longispinus, is an important insect pest in grapevine growing areas in several countries, including Brazil. Metagenomic analysis of nucleic acids extracted from... ... Repository: BDPA Publication year: 2024
Análise das curvas de dissociação de alta resolução de RT-PCR em tempo real para detetar e diferenciar variantes brasileiras de vírus da videira Authorship: FAJARDO, T. V. M.; PERES, C. A.; NICKEL, O. Detectar e identificar infecções virais em plantas perenes, como videiras, pode ser um desafio. Portanto, o objetivo deste estudo foi realizar uma análise da curva de dissociação de alta resolução (HR... ... Repository: BDPA Publication year: 2023
Analysis of virome by high-throughput sequencing disclosed multiple infection in a single grapevine plant. Authorship: FAJARDO, T. V. M.; NHANI JUNIOR, A.; NICKEL, O. Among phytosanitary problems of the grapevine, viruses stand out for their capacity of reducing the quality and yield of grapes. however, detecting and identifying viral infections in grapevines can b... ... Repository: BDPA Publication year: 2023
Detection of multiple viruses and viroid in apple trees in Brazil and their possible association with decline. Authorship: NICKEL, O.; GRYNBERG, P.; FAJARDO, T. V. M. In an attempt to provide additional information on the virome in apples in Southern Brazil in face of recurrent events of tree decline, plant samples of regional apple orchards have been submitted to... ... Repository: BDPA Publication year: 2023
Analysis of virome by high-throughput sequencing revealed multiple infection in a single grapevine plant. Authorship: FAJARDO, T. V. M.; NHANI JUNIOR, A.; NICKEL, O. Grapevines (Vitis sp.) can host up to 86 virus species, some of which affect plant vigor, production and fruit quality. In 2019, cv. BRS Bibiana, a hybrid vine showing mild leafroll symptoms, collecte... ... Repository: BDPA Publication year: 2021
First report on occurrence of apple hammerhead viroid in apples in Brazil. Authorship: NICKEL, O.; FAJARDO, T. V. M.; CANDRESSE, T. Latent viruses have historically caused heavy losses to apple production in Brazil. Other uncharacterized agents of virus or virus-like nature and viroids also cause damages to the apple industry. Repository: BDPA Publication year: 2021
Relationship between symptom expression and viral infection in grapevines cv. Cabernet sauvignon. Authorship: FAJARDO, T. V. M.; RÉ, I. da; PEREIRA, G. E.; OLIVEIRA, J. B. de; NICKEL, O. Cultivars of Vitis vinifera (wine grape) are usually more sensitive to viruses compared to cvs. of V. labrusca (common grape) and hybrids that are tolerant to viruses. Repository: BDPA Publication year: 2021
Molecular characterization of the coat protein gene of greek apple stem pitting virus isolates: evolution through deletions, insertions, and recombination events. Authorship: MATHIOUDAKIS, M. M.; MALIOGKA, V. I.; CANDRESSE, T.; NICKEL, O.; FAJARDO, T. V. M.; BUDZYNSKA, D.; JAROSZEWSKA, B. H.; KATIS, N. I. A RT-PCR assay developed to amplify the full coat protein (CP) gene of apple stem pitting virus (ASPV) was evaluated using 180 Greek apple and pear samples and showed a broad detection range. This met... ... Repository: BDPA Publication year: 2021
Novas viroses diagnosticadas em macieiras no Brasil por sequenciamento de alto desempenho (HTS). Authorship: NICKEL, O.; FAJARDO, T. V. M. Desde o fim dos anos 1990, estudos comprovaram um grau considerável de infecções múltiplas de vírus latentes em macieiras no sul do Brasil. A partir de 2011, com o Sequenciamento de Alto Desempenho (H... ... Repository: BDPA Publication year: 2021
Incidência de viroses em videiras no Vale do Rio do Peixe (Brasil) e parâmetros de amostragem para indexação viral em videiras. Authorship: FAJARDO, T. V. M.; MENEZES-NETTO, A. C.; NICKEL, O. Dentre os problemas fitossanitários da videira (Vitis spp.), destacam-se os vírus, patógenos que podem reduzir a qualidade e o rendimento da produção de uva. No entanto, detectar e ldentíficar infecçõ... ... Repository: BDPA Publication year: 2021

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